<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form method="post" action="login.html">
        用户名 <input type="text" name="username"/>
        密 码 <input type="password" name="password"/>
        <input type="submit" value="submit"/>
    </form>
</body>
</html>